Choose the correct answer 5 points A body of 2500N hanging from a steel wire 10m long of cross-section 0.05cm^2, was found to elongate the wire 0.25mm. What were the value of Young's modulus for the steel of which the wire was composed. O 2*10^13 N/m^2 0.5*10^14 N/m^2 0.2*10^13 N/m^2
5 points The density of liquid is 900kg/m^3, pumped through a cylindrical pipe diameter is 10cm at rate of 10^(-2) m^3/sec , if the pipe diameter is reduced to 5cm, what are the new values of the speed. 5.092 m/s 8.534 m/s 3.612 m/s
5 points A box that moves up on a surface inclined 30 degree under the influence of three forces as shown in Figure, find the work done for these forces when the box moves one meter on the inclined surface. TEK" 10 &= 50N F2 = 30N z = 40N 30° 64.6 J 62.2 J 83.3 J